23925985 has 4 divisors (see below), whose sum is σ = 28711188. Its totient is φ = 19140784.

The previous prime is 23925983. The next prime is 23926009. The reversal of 23925985 is 58952932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14197824 + 9728161 = 3768^2 + 3119^2 .

It is a cyclic number.

It is not a de Polignac number, because 23925985 - 2¹ = 23925983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23925983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392594 + ... + 2392603.

It is an arithmetic number, because the mean of its divisors is an integer number (7177797).

Almost surely, 2^23925985 is an apocalyptic number.

It is an amenable number.

23925985 is a deficient number, since it is larger than the sum of its proper divisors (4785203).

23925985 is an equidigital number, since it uses as much as digits as its factorization.

23925985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785202.

The product of its digits is 194400, while the sum is 43.

The square root of 23925985 is about 4891.4195281125. The cubic root of 23925985 is about 288.1530862117.

The spelling of 23925985 in words is "twenty-three million, nine hundred twenty-five thousand, nine hundred eighty-five".